By 1860, slaves comprised 22% of Knoxville's population, which was higher than the percentage across East Tennessee (approximately 10%) but lower than the rest of the South (about one-third).
C. E. Allred, et al., "Farming From the Beginning to 1860," The French Broad-Holston Country: A History of Knox County, Tennessee (Knoxville, Tenn.: East Tennessee Historical Society, 1972).
P.S. your antebellum era historical interpretation could be taken more seriously if your handle wasn’t “red rebel”.